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Finding the Fourth Proportional to 106,220, 146,593.36 and 58,483.04

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Solution

The fourth proportional to 106,220, 146,593.36 and 58,483.04 is: 80,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,220 : 146,593.36 = 58,483.04 : x
  2. Step 2: Convert to fraction form
    106,220/146,593.36 = 58,483.04/x
  3. Step 3: Cross multiply
    106,220x = 146,593.36 × 58,483.04
  4. Step 4: Simplify right side
    106,220x = 8,573,225,336.61
  5. Step 5: Solve for x
    x = 8,573,225,336.61/106,220
  6. Step 6: Final answer
    x = 80,711.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.